spectrum
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Pronunciation
[
change
]
(
Canada
) (
UK
)
IPA
(
key
)
:
/ˈspektrəm/
(
US
)
IPA
(
key
)
:
/ˈspɛkt(ʃ)rəm/
Audio (UK)
(
file
)
Noun
[
change
]
Singular
spectrum
Plural
spectra
or
spectrums
A spectrum of colors
A
range
.
Specifically, a range of
colors
representing
light
of
various
frequencies
.
(
chemistry
) The
pattern
of
absorption
or
emission
of
radiation
that is made by a
substance
when it is put in contact with an
energy
such as radiation,
heat
,
electricity
, etc.
Categories
:
Nouns
Chemistry
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